| Year | 1938 |
| Date | 10-Mar |
| Volume | 78 |
| Issue | 1,922 |
| Page | 229 |
| Category | Petrol Engine Topics |
| Part | |
| Title | "Your Troubles - and Mine" |
| Author | Edgar T.Westbury |
| Notes | An apology, a correspondent's proposed design for a 30 cc. vee twin, problems in design, timing gear for vee twin, some notes on twin-cylinder petrol engines, a mechanical snag, alternative suggestion for a twin engine (30 cc. horizontally-opposed twin), a 50 cc. flat twin engine by Elmer Wall, view from above Wall flat twin engine, other unconventional engines |